clar697
Forum Guru
Topics: 190
Posts: 199
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During DNA replication in eukaryotic cells, which of the following occurs when topoismerase I cleaves a phosphodiester bond in one DNA strand?
A) Free rotation of the two sections of the DNA helix on either side of the nick
B) A recombination event between adjacent double helices
C) Removal and subsequent transfer of a small piece of DNA to another position on the chromosome
D) Removal of mismatched nucleotides that could result in deleterious mutations
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| zwmack
Forum Junior
Topics: 8
Posts: 44
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A)
I believe topoisomerase I makes one nick and Topisomerase II makes a double nick in the DNA both for the same function of decreasing super coiling of DNA
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" Well, honey, doctors are sadists who like to play God and watch lesser people scream... "
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